public static function createBgImage($data, &$errorMsg)
{
$params = JComponentHelper::getParams('com_phocagallery');
$jfile_thumbs = $params->get('jfile_thumbs', 1);
$jpeg_quality = $params->get('jpeg_quality', 85);
$jpeg_quality = PhocaGalleryImage::getJpegQuality($jpeg_quality);
$formatIcon = 'png';
$path = PhocaGalleryPath::getPath();
$fileIn = $fileOut = $path->image_abs_front . $data['image'] . '.' . $formatIcon;
if ($fileIn !== '' && JFile::exists($fileIn)) {
$memory = 8;
$memoryLimitChanged = 0;
$memory = (int) ini_get('memory_limit');
if ($memory == 0) {
$memory = 8;
}
// Try to increase memory
if ($memory < 50) {
ini_set('memory_limit', '50M');
$memoryLimitChanged = 1;
}
$imageWidth = $data['iw'];
$imageHeight = $data['ih'];
$completeImageWidth = $imageWidth + 18;
$completeImageHeight = $imageHeight + 18;
$completeImageBackground = $data['sbgc'];
$retangleColor = $data['ibgc'];
$borderColor = $data['ibrdc'];
$shadowColor = $data['iec'];
$effect = $data['ie'];
// shadow or glow
$imgX = 6;
$imgWX = $imageWidth + 5 + $imgX;
// Image Width + space (padding) + Start Position
$imgY = 6;
$imgHY = $imageHeight + 5 + $imgY;
$brdX = $imgX - 1;
$brdWX = $imgWX + 1;
$brdY = $imgY - 1;
$brdHY = $imgHY + 1;
// Crate an image
$img = @imagecreatetruecolor($completeImageWidth, $completeImageHeight);
if (!$img) {
$errorMsg = 'ErrorNoImageCreateTruecolor';
return false;
}
if ($completeImageBackground == '') {
switch ($formatIcon) {
case 'jpg':
case 'jpeg':
case 'gif':
$completeImageBackground = '#ffffff';
break;
case 'png':
@imagealphablending($img, false);
imagefilledrectangle($img, 0, 0, $completeImageWidth, $completeImageHeight, imagecolorallocatealpha($img, 255, 255, 255, 127));
@imagealphablending($img, true);
break;
}
} else {
$bGClr = PhocaGalleryUtils::htmlToRgb($completeImageBackground);
imagefilledrectangle($img, 0, 0, $completeImageWidth, $completeImageHeight, imagecolorallocate($img, $bGClr[0], $bGClr[1], $bGClr[2]));
}
// Create Retangle
if ($retangleColor != '') {
$rtgClr = PhocaGalleryUtils::htmlToRgb($retangleColor);
$retangle = imagecolorallocate($img, $rtgClr[0], $rtgClr[1], $rtgClr[2]);
}
// Create Border
if ($borderColor != '') {
$brdClr = PhocaGalleryUtils::htmlToRgb($borderColor);
$border = imagecolorallocate($img, $brdClr[0], $brdClr[1], $brdClr[2]);
}
// Effect (shadow,glow)
if ((int) $effect > 0) {
if ($shadowColor != '') {
$shdClr = PhocaGalleryUtils::htmlToRgb($shadowColor);
if ((int) $effect == 3) {
$shdX = $brdX - 1;
$shdY = $brdY - 1;
$effectArray = array(55, 70, 85, 100, 115);
} else {
if ((int) $effect == 2) {
$shdX = $brdX + 3;
$shdY = $brdY + 3;
$effectArray = array(50, 70, 90, 110);
} else {
$shdX = $brdX + 3;
$shdY = $brdY + 3;
$effectArray = array(0, 0, 0, 0);
}
}
$shdWX = $brdWX + 1;
$shdHY = $brdHY + 1;
foreach ($effectArray as $key => $value) {
$effectImg = @imagecolorallocatealpha($img, $shdClr[0], $shdClr[1], $shdClr[2], $value);
if (!$effectImg) {
$errorMsg = 'ErrorNoImageColorAllocateAlpha';
return false;
}
imagerectangle($img, $shdX, $shdY, $shdWX, $shdHY, $effectImg);
if ((int) $effect == 3) {
$shdX--;
$shdY--;
} else {
if ((int) $effect == 2) {
$shdX++;
$shdY++;
} else {
//$shdX++;
//$shdY++;
}
}
$shdWX++;
$shdHY++;
}
}
}
// Write Rectangle over the shadow
if ($retangleColor != '') {
imagefilledrectangle($img, $imgX, $imgY, $imgWX, $imgHY, $retangle);
}
if ($borderColor != '') {
imagerectangle($img, $brdX, $brdY, $brdWX, $brdHY, $border);
}
switch ($formatIcon) {
case 'jpg':
case 'jpeg':
if (!function_exists('ImageJPEG')) {
$errorMsg = 'ErrorNoJPGFunction';
return false;
}
if ($jfile_thumbs == 1) {
ob_start();
if (!@ImageJPEG($img, NULL, $jpeg_quality)) {
ob_end_clean();
$errorMsg = 'ErrorWriteFile';
return false;
}
$imgJPEGToWrite = ob_get_contents();
ob_end_clean();
if (!JFile::write($fileOut, $imgJPEGToWrite)) {
$errorMsg = 'ErrorWriteFile';
return false;
}
} else {
if (!@ImageJPEG($img, $fileOut, $jpeg_quality)) {
$errorMsg = 'ErrorWriteFile';
return false;
}
}
break;
case 'png':
if (!function_exists('ImagePNG')) {
$errorMsg = 'ErrorNoPNGFunction';
return false;
}
@imagesavealpha($img, true);
if ($jfile_thumbs == 1) {
ob_start();
if (!@ImagePNG($img, NULL)) {
ob_end_clean();
$errorMsg = 'ErrorWriteFile';
return false;
}
$imgPNGToWrite = ob_get_contents();
ob_end_clean();
if (!JFile::write($fileOut, $imgPNGToWrite)) {
$errorMsg = 'ErrorWriteFile';
return false;
}
} else {
if (!@ImagePNG($img, $fileOut)) {
$errorMsg = 'ErrorWriteFile';
return false;
}
}
break;
case 'gif':
if (!function_exists('ImageGIF')) {
$errorMsg = 'ErrorNoGIFFunction';
return false;
}
if ($jfile_thumbs == 1) {
ob_start();
if (!@ImageGIF($img, NULL)) {
ob_end_clean();
$errorMsg = 'ErrorWriteFile';
return false;
}
$imgGIFToWrite = ob_get_contents();
ob_end_clean();
if (!JFile::write($fileOut, $imgGIFToWrite)) {
$errorMsg = 'ErrorWriteFile';
return false;
}
} else {
if (!@ImageGIF($img, $fileOut)) {
$errorMsg = 'ErrorWriteFile';
return false;
}
}
break;
default:
$errorMsg = 'ErrorNotSupportedImage';
return false;
break;
}
// free memory
ImageDestroy($img);
// Original
if ($memoryLimitChanged == 1) {
$memoryString = $memory . 'M';
ini_set('memory_limit', $memoryString);
}
return true;
// Success
}
$errorMsg = 'Error2';
return false;
}
